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DoubleDOS - INSTALLATION CHECK/PROGRAM STATUS

AX = E400h

Return:
AL = program status
00h if DoubleDOS not present
01h if running in visible DoubleDOS partition
02h if running in the invisible DoubleDOS partition

See Also: AH=E5h"DoubleDOS" - AX=F400h

Category: DOS-Based Task Switchers/Multitaskers - Int 21h - D

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